NASA / SCIENCE PHOTO LIBRARY NASA / SCIENCE PHOTO LIBRARY
Space Shuttle final flight crew. STS-135 crew on launchpad 39A at NASA's Kennedy Space Center, looking at the rocket that will launch them on the final mission (STS-135) of the Space Shuttle Program, and the space shuttle Atlantis' final flight. From left: Rex Walheim, pilot Doug Hurley, Sandra Magnus, and commander Chris Ferguson. Photographed on 8th July 2011.
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